Warder/ˈwɔːrdər/ Definition 1 of 2Pro Tip 1/3Prison Context Warder is often used in the context of jails and penitentiaries. The warder escorted the inmate back to his cell. Pro Tip 2/3Authority Figure Warder connotes an authoritative role within a prison setting. As the head warder, she oversees the facility's daily operations. Pro Tip 3/3Not Police Unlike police, a warder's authority is limited to the prison they work in. Warders maintain order within the prison, but do not enforce laws outside.